Pickering's Triangle in Ha/OIII light (Ha:OIII:OIII)

Pickering Triangle
All Images Copyright Steve Cannistra

Please click here or on image for a larger image.
Please click here for this image in Ha light.
Please click here for this image in OIII light.

Magnitude:  Unknown.
Size: Roughly about 60 arcminutes.
2,600 light years
RA: 20h 51m 10s
Dec: 32 degrees 9' 53"

Pickering's Triangle is part of the Veil Nebula complex, located between the Western Veil and the Eastern Veil.  Please click here for a wide field view of this region.

Photographic Details:

Date:  July 15 (Ha) and July 16 (OIII), 2006.

Takahashi FS-102 at f6 , on the G11 Losmandy Mount.
Autoguider:  SBIG STV with e-finder.
Camera:  Maxcam CM10
Astronomik Ha (6 nm) and OIII (13 nm) filters.
Exposures:  18 x 10' each filter; total 6 hour exposure.
Conditions:  Temperature 80 degrees F, muggy.
This is an Ha:OIII:OIII image.  Debloomed, calibrated, aligned in Maxim.  Combined using RC Sigma Reject MaximDL, followed by DDP in ImagesPlus (IP).  Subsequent processing in Photoshop CS (16 bit format).

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